Stand tall with feet about shoulder-width apart and clasp your hands behind your back or extend your arms straight behind you. Gently lift your arms up and back while opening your chest forward. Keep your core engaged and breathe steadily as you feel a stretch across the front of your chest and shoulders. Hold for a comfortable duration without pain, then slowly release.
Log your straight arms backward chest sretch sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.